According to the official website, the second season of Tamayura
was announced to be aired from July.
Tamayura official website
(with a new key visual)
According to Dengeki Bunko, Ro-Kyu-Bu! SS
was announced to be aired this summer. A "Loli Sports" adventure game of the anime "Ro-Kyu-Bu!: Himitsu no Otoshimoto" will be released on PlayStation Portable on June 20th.
Sources: Scan of Dengeki no Kanzume
, Scan 2